In adition, Anderson, Yamagishi, and Karavia (2002,p.1) in their research shoved that despite of planed actions perception of objects causes both sight and motion signals to appear. Previous research examined how the properties of an object affected an obesrver’s reaction time for judging its orientation, and evidence that visual information generates motor indications (Anderson, Yamagishi & Karavia, 2002, p.6). The results found supported that people act on a sequence of movements based on their vision without realizing that (Anderson, Yamagishi & Karavia, 2002, p.6-7). In conclusion, Anderson et. al. (2002) said that visually asymmetric objects leads to attention tendency, which then flows into the creation of a foundation for arm motion so these motor signals may or may not be used. When motor signals happen at the same time but opposite, the frontal cortex select the signal to be followed (Goldberg & Sergaves, 1987).